package com.activity.common.session;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;
import java.util.HashSet;

public class Session  {

    public String set(HttpSession session){
        session.setAttribute("user","wangwq8");
        return String.valueOf(session.getAttribute("user"));
    }


}
